/*
 *  Copyright 2008-2010 the original author or authors.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */
package org.openaecfm.spf.io.representation;

import org.openaecfm.model.representation.ProductRepresentation;
import org.openaecfm.model.representation.Representation;
import org.openaecfm.service.representation.IProductRepresentationManager;
import org.openaecfm.spf.io.IAppDataManager;
import org.openaecfm.spf.io.IEntityInstanceUtilInput;
import org.openaecfm.spf.io.IEntityInstanceUtilOutput;
import org.openaecfm.spf.model.DollarParameter;
import org.openaecfm.spf.model.EntityInstance;
import org.openaecfm.spf.model.EntityInstanceNameParameter;
import org.openaecfm.spf.model.ListParameter;
import org.openaecfm.spf.model.NodeType;
import org.openaecfm.spf.model.Parameter;
import org.openaecfm.spf.model.SimpleEntityInstance;
import org.openaecfm.spf.model.StringParameter;

public final class ProductRepresentationIO implements
		IEntityInstanceUtilInput<ProductRepresentation>,
		IEntityInstanceUtilOutput<ProductRepresentation> {
	private IProductRepresentationManager manager;

	public void setManager(IProductRepresentationManager manager) {
		this.manager = manager;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void exportSPF(ProductRepresentation pojo, EntityInstance ei,
			IAppDataManager appDataManager) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set Name
		if (pojo.getName() == null) {
			DollarParameter d = DollarParameter.getInstance();
			sei.addParameter(d);
		} else {
			StringParameter s = new StringParameter(pojo.getName(),
					StringParameter.UTF_8);
			sei.addParameter(s);
		}

		// Set Description
		if (pojo.getDescription() == null) {
			DollarParameter d = DollarParameter.getInstance();
			sei.addParameter(d);
		} else {
			StringParameter s = new StringParameter(pojo.getDescription(),
					StringParameter.UTF_8);
			sei.addParameter(s);
		}

		// Set Representations
		ListParameter rs = new ListParameter();
		for (Representation r : pojo.getRepresentations()) {
			EntityInstanceNameParameter n = new EntityInstanceNameParameter(
					appDataManager.getName(r));
			rs.add(n);
		}
		sei.addParameter(rs);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void resolveNotReferenceParameter(EntityInstance ei,
			ProductRepresentation pojo) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set Name
		Parameter name = sei.getParameter(0);
		if (name.getNodeType() == NodeType.STRING) {
			StringParameter s = (StringParameter) name;
			pojo.setName(s.toUTF8());
		}

		// Set Description
		Parameter description = sei.getParameter(1);
		if (description.getNodeType() == NodeType.STRING) {
			StringParameter s = (StringParameter) description;
			pojo.setDescription(s.toUTF8());
		}
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void resolveReferenceParameter(EntityInstance ei,
			ProductRepresentation pojo, IAppDataManager appDataManager) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set Representations
		ListParameter rs = (ListParameter) sei.getParameter(2);
		for (Parameter p : rs) {
			EntityInstanceNameParameter n = (EntityInstanceNameParameter) p;
			manager.addRepresentation(pojo, (Representation) appDataManager
					.getObject(n.toInstanceName()));
		}
	}
}
